Dental control unit



FIG. 1 is a front, top and side perspective view of a dental control unit showing my new design;

FIG. 2 is a rear elevation thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a side elevation thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a bottom perspective view thereof.

The broken lines shown in the figure drawings are included for purposes of illustration and form no part of the claimed design. 

The ornamental design for an dental control unit, as shown and described. 